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South Dakota Case Study

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South Dakota was one of the states that provided a great amount of uranium to be used during the 50’s, 60’s and the Cold War era. The demand of uranium increased and the constructions of mines were also increased. One of the areas that needed uranium was the military to be used in weapons ammunition and vehicles. Most of these mines were abandoned and the contamination spread around the nearby land and waters. “An earlier study of Forest Service land, on which the old mines from the 1950s and 1960s are located, found levels of arsenic, uranium and other contaminants in concentrations higher than what occurs naturally” (Walker, 2007). Some of these waste was carry down by rain precipitation to areas away from the mine. Indian reservations were affected by the mine contamination and …show more content…

I learned that mines were abandoned and in this case we have the responsible helping out. In other cases like the Gold King Mine in Colorado that it was used in the early 1900’s, the responsible that abandoned the mines were from Canada and are no were to be found. The problem with these mines is that when they extract all the uranium and there is no need for the mines, these mines need to be abandoned and closed. Unfortunately, there was no cleanup process when the mines were abandoned. Leaving the areas contaminated and the water from the rain transporting the contamination to other areas. 100 years ago, there was no standard on how to properly abandon a mine. Now days, the EPA and the state environmental departments are responsible to enforce the proper abandonment procedures and make sure the closure will not contaminate nearby areas or the water used for drinking, crops, and other human and animal uses. The runoff of the mine contamination can increase the total dissolve solids (TDS) in the nearby waters, making it non usable for human consumption and fish

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